Welding machine case



FIG. 1 is a front elevation view of a welding machine case showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a right perspective view thereof.

The portions of the article shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a welding machine case, as shown and described. 